" Comments in Vimscript start with a `"`.

" If you open this file in Vim, it'll be syntax highlighted for you.

" Vim is based on Vi. Setting `nocompatible` switches from the default
" Vi-compatibility mode and enables useful Vim functionality. This
" configuration option turns out not to be necessary for the file named
" '~/.vimrc', because Vim automatically enters nocompatible mode if that file
" is present. But we're including it here just in case this config file is
" loaded some other way (e.g. saved as `foo`, and then Vim started with
" `vim -u foo`).
set nocompatible
filetype off        " required by Vundle.vim

"------------------
" Syntax and indent
" -----------------
" Turn on syntax highlighting.
syntax on

"highlight current line, but only in active window
augroup CursorLineOnlyInActiveWindow
    autocmd!
    autocmd VimEnter,WinEnter,BufWinEnter * setlocal cursorline
    autocmd WinLeave * setlocal nocursorline
augroup END

"show matching braces when text indicator is over them
set showmatch 

set autoindent
" use 4 spaces instead of tabs during formatting
set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=4
" tab completion for files/buffers
set wildmode=longest,list
set wildmenu

" Disable the default Vim startup message.
set shortmess+=I

" Show line numbers.
set number

" This enables relative line numbering mode. With both number and
" relativenumber enabled, the current line shows the true line number, while
" all other lines (above and below) are numbered relative to the current line.
" This is useful because you can tell, at a glance, what count is needed to
" jump up or down to a particular line, by {count}k to go up or {count}j to go
" down.
set relativenumber

" Always show the status line at the bottom, even if you only have one window open.
set laststatus=2

" The backspace key has slightly unintuitive behavior by default. For example,
" by default, you can't backspace before the insertion point set with 'i'.
" This configuration makes backspace behave more reasonably, in that you can
" backspace over anything.
set backspace=indent,eol,start

" By default, Vim doesn't let you hide a buffer (i.e. have a buffer that isn't
" shown in any window) that has unsaved changes. This is to prevent you from "
" forgetting about unsaved changes and then quitting e.g. via `:qa!`. We find
" hidden buffers helpful enough to disable this protection. See `:help hidden`
" for more information on this.
set hidden

" This setting makes search case-insensitive when all characters in the string
" being searched are lowercase. However, the search becomes case-sensitive if
" it contains any capital letters. This makes searching more convenient.
set ignorecase
set smartcase

" Enable searching as you type, rather than waiting till you press enter.
set incsearch
" Dot't continue to highlight searched phases
set nohlsearch
"set hls " hightlight search

" Unbind some useless/annoying default key bindings.
nmap Q <Nop> " 'Q' in normal mode enters Ex mode. You almost never want this.

" Disable audible bell because it's annoying.
set noerrorbells visualbell t_vb=

" Enable mouse support. You should avoid relying on this too much, but it can
" sometimes be convenient.
set mouse+=a
" let tmux knows the extended mouse mode
if &term =~ '^screen'
    set ttymouse=xterm2
endif

" Try to prevent bad habits like using the arrow keys for movement. This is
" not the only possible bad habit. For example, holding down the h/j/k/l keys
" for movement, rather than using more efficient movement commands, is also a
" bad habit. The former is enforceable through a .vimrc, while we don't know
" how to prevent the latter.
" Do this in normal mode...
nnoremap <Left>  :echoe "Use h"<CR>
nnoremap <Right> :echoe "Use l"<CR>
nnoremap <Up>    :echoe "Use k"<CR>
nnoremap <Down>  :echoe "Use j"<CR>
" ...and in insert mode
inoremap <Left>  <ESC>:echoe "Use h"<CR>
inoremap <Right> <ESC>:echoe "Use l"<CR>
inoremap <Up>    <ESC>:echoe "Use k"<CR>
inoremap <Down>  <ESC>:echoe "Use j"<CR>

"-----------------------------
" plugins
" ----------------------------
" set the runtime path to include Vundle and initialize
" the path is dotfile path
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" let Vundle manage Vundle, required
Plugin 'https://gitee.com/mirrors/vundle-vim.git'

" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
"Plugin 'tpope/vim-fugitive'

" plugin from http://vim-scripts.org/vim/scripts.html
" Plugin 'L9'
" Git plugin not hosted on GitHub
"Plugin 'git://git.wincent.com/command-t.git'

" git repos on your local machine (i.e. when working on your own plugin)
"Plugin 'file:///home/gmarik/path/to/plugin'

" The sparkup vim script is in a subdirectory of this repo called vim.
" Pass the path to set the runtimepath properly.
"Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}

" Install L9 and avoid a Naming conflict if you've already installed a
" different version somewhere else.
" Plugin 'ascenator/L9', {'name': 'newL9'}

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required, enable file type detection
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

"  ctrlp
nnoremap ; :CtrlPBuffer<CR>
let g:ctrlp_switch_buffer = 0
let g:ctrlp_show_hidden = 1

" nerdtree
nnoremap <Leader>n :NERDTreeToggle<CR>
nnoremap <Leader>f :NERDTreeFind<CR>
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

" ack.vim
cnoreabbrev Ack Ack!
nnoremap ' :Ack!<Space> "\b<C-R><C-W>\b"<CR>:cw<CR>
if executable('ag')
    let g:ctrlp_user_command = 'ag %s -l --nocolor --hidden -g ""'
    let g:ackprg = 'ag --vimgrep'
endif

" ctags
set tags+=tags;$HOME
" ctrl+\ open the definition in a new tab
map <C-\> :tab split<CR>:exec("tag ".expand("<cword>"))<CR>

" taglist
nnoremap <Leader>m :TlistToggle<CR>
let Tlist_Show_One_File=1   "only current file list showed
let Tlist_Exit_OnlyWindow=1
let Tlist_Ctags_Cmd="/usr/local/bin/ctags"
let Tlist_Use_Right_Window=1
let Tlist_GainFocus_On_ToggleOpen=1


